82227880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41953}}^1$

素因数の和:41978

約数の個数: 48

約数和(自身を含む): 215224020

約数和(自身を除く): 132996140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41953, 83906, 167812, 209765, 293671, 335624, 419530, 587342, 839060, 1174684, 1468355, 1678120, 2055697, 2349368, 2936710, 4111394, 5873420, 8222788, 10278485, 11746840, 16445576, 20556970, 41113940, 82227880]

約数ペア:

[(1, 82227880), (2, 41113940), (4, 20556970), (5, 16445576), (7, 11746840), (8, 10278485), (10, 8222788), (14, 5873420), (20, 4111394), (28, 2936710), (35, 2349368), (40, 2055697), (49, 1678120), (56, 1468355), (70, 1174684), (98, 839060), (140, 587342), (196, 419530), (245, 335624), (280, 293671), (392, 209765), (490, 167812), (980, 83906), (1960, 41953)]